Patents Assigned to JIANGSU OUBO INFORMATION TECHNOLOGY CO., LTD.
  • Chamfer plane
    Patent number: D959949
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: August 9, 2022
    Assignee: JIANGSU OUBO INFORMATION TECHNOLOGY CO., LTD.
    Inventor: Guanyu Song
  • Caulking tool
    Patent number: D1031395
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: June 18, 2024
    Assignee: Jiangsu Oubo Information Technology Co., Ltd.
    Inventors: Guanyu Song, Liubing Hang, Shihao She, Song Sun